xref: /aosp_15_r20/external/llvm/test/CodeGen/Generic/stacksave-restore.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workerdeclare i8* @llvm.stacksave()
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.stackrestore(i8*)
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Workerdefine i32* @test(i32 %N) {
8*9880d681SAndroid Build Coastguard Worker        %tmp = call i8* @llvm.stacksave( )              ; <i8*> [#uses=1]
9*9880d681SAndroid Build Coastguard Worker        %P = alloca i32, i32 %N         ; <i32*> [#uses=1]
10*9880d681SAndroid Build Coastguard Worker        call void @llvm.stackrestore( i8* %tmp )
11*9880d681SAndroid Build Coastguard Worker        %Q = alloca i32, i32 %N         ; <i32*> [#uses=0]
12*9880d681SAndroid Build Coastguard Worker        ret i32* %P
13*9880d681SAndroid Build Coastguard Worker}
14*9880d681SAndroid Build Coastguard Worker
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